The Kuznetsov NK-32 is a military specification afterburning 3-spool low bypass turbofan jet engine which powers the Tupolev Tu-160 supersonic bomber, and was fitted to the later model Tupolev Tu-144LL supersonic transport. It is the largest and most powerful engine ever fitted on a combat aircraft (however, higher thrust engines are fitted to civil aircraft such as General Electric GE90, but such engines have a lower exhaust speed and cannot accelerate to supersonic speeds).

It produces 55,000 lbf (245 kN) of thrust in maximum afterburner.

• Cruise thrust: 14 000 kgf (31,000 lbf, 137 kN)^[1]
• Afterburning thrust: 25 000 kgf (55,000 lbf, 245 kN) ^[1]
• Specific fuel consumption: (supersonic) 1.70 kg/kgf/hour^[2]
• Specific fuel consumption (subsonic): 0.72-0.73 kg/kgf/hour^[2]
• Bypass ratio: 1.4^[3]
• OPR: 28.4^[3]
• Length: 6000 mm^[3]
• Diameter: 1460 mm^[3]
• Dry mass: 3400 kg^[3]

[edit] References

1. ^ ^{a b} Military Turbojet/Turbofan Specifications
2. ^ ^{a b} Самолет Ту-160
3. ^ ^{a b c d e} Civil Turbojet/Turbofan Specifications

[edit] External links

Engines for supersonic Tupolevs (NK-144, NK-22, NK-23, NK-25, RD-36-51) (czech)

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